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Finding the Fourth Proportional to 107,800.76, 161,748.18 and 37,730.36

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Solution

The fourth proportional to 107,800.76, 161,748.18 and 37,730.36 is: 56,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,800.76 : 161,748.18 = 37,730.36 : x
  2. Step 2: Convert to fraction form
    107,800.76/161,748.18 = 37,730.36/x
  3. Step 3: Cross multiply
    107,800.76x = 161,748.18 × 37,730.36
  4. Step 4: Simplify right side
    107,800.76x = 6,102,817,060.74
  5. Step 5: Solve for x
    x = 6,102,817,060.74/107,800.76
  6. Step 6: Final answer
    x = 56,612.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.